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SFPsieNorbornene and a derivative have been polymerized to high molecular weight materials by use of the hydrated trichlorides of ruthenium, osmium, aria iridium in alcoholic solvents. Structural studies on these polymers indicate that a major portion of the polymer repeating unit consists of cyclopentane rings linked in cis-1,3 configuration with a predominance of tram double bonds.

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tensiometer, is thus not a completely reliable guide as to which surface active agent will allow evaporation of the water in the membrane with retention of the desalination and physical properties of the membrane.